71145280

素因数分解:

$2^6\times 5^1\times {\mathrm{222329}}^1$

素因数の和:222346

約数の個数: 28

約数和(自身を含む): 169415460

約数和(自身を除く): 98270180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 222329, 444658, 889316, 1111645, 1778632, 2223290, 3557264, 4446580, 7114528, 8893160, 14229056, 17786320, 35572640, 71145280]

約数ペア:

[(1, 71145280), (2, 35572640), (4, 17786320), (5, 14229056), (8, 8893160), (10, 7114528), (16, 4446580), (20, 3557264), (32, 2223290), (40, 1778632), (64, 1111645), (80, 889316), (160, 444658), (320, 222329)]